关于这张图
S100-E-5264 (22 April 2001) --- A smiling astronaut Scott E. Parazynski, STS-100 mission specialist, peers into the crew cabin of the Space Shuttle Endeavour during a lengthy spacewalk to perform important work on the International Space Station (ISS). The Pressurized Mating Adapter (PMA-2), which temporarily anchors the orbital outpost to the shuttle, can be seen behind the astronaut. The picture was recorded with a digital still camera.
